Home / 140,493.38-210,740.27-57,387.38

Finding the Fourth Proportional to 140,493.38, 210,740.27 and 57,387.38

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Solution

The fourth proportional to 140,493.38, 210,740.27 and 57,387.38 is: 86,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,493.38 : 210,740.27 = 57,387.38 : x
  2. Step 2: Convert to fraction form
    140,493.38/210,740.27 = 57,387.38/x
  3. Step 3: Cross multiply
    140,493.38x = 210,740.27 × 57,387.38
  4. Step 4: Simplify right side
    140,493.38x = 12,093,830,615.15
  5. Step 5: Solve for x
    x = 12,093,830,615.15/140,493.38
  6. Step 6: Final answer
    x = 86,081.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.